evolution
Pluralevolutions
- 1The slow change in living things over many generations, as new traits build up and pass down.
Like a recipe that changes a little each time it is passed on, until the dish becomes something new.
Evolution explains why animals slowly change to fit their surroundings.
Over millions of years, evolution shaped the long neck of the giraffe.
Note
- 2A slow change in something over time, often moving from a simple form to a more complex one.
Like a small stream that slowly grows into a wide river.
The evolution of the smartphone took only a few decades.
We watched the evolution of the project from a rough sketch to a finished plan.
Similardevelopment, progression, growth, transformation, progress
Oppositeregression, decline
Note
- 3The act of working out an idea or argument fully, bringing into the open what was once hidden in it.
Like unfolding a folded map until you can see the whole picture.
The evolution of her argument became clear by the final chapter.
His essay shows a careful evolution of one simple idea.
Similardevelopment, unfolding, elaboration, progression
Note
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- 7The giving off of gas, such as the bubbles released during a chemical reaction.
Like the fizz that rises when you drop a tablet into water.
The evolution of gas showed that the reaction was working.
You could see the evolution of bubbles as the tablet dissolved.
Similaremission, release, liberation
Oppositeabsorption
Note
- 8The unfolding or opening out of something, or the way events follow one after another in order.
Like a flower slowly opening one petal at a time.
The slow evolution of the seasons marked the passing year.
She watched the evolution of the story, scene by scene.
Note
- 9A twisted or curled shape, full of folds and turns.
‘It is not in the showy evolutions of buildings, but in the multiplicity of human habitations which are crouded together, that the wonderful immensity of London consists.’
1791, James Boswell, Life of Samuel JohnsonHere, evolutions means twisted or complicated shapes.Note
- 10The way a curve opens out, or slowly changes shape when the rules that draw it change.
- 11Finding the root of a number: the opposite of raising it to a power.
Practice
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Origin
From Latin ēvolūtiō, meaning the act of unrolling or unfolding a book. It comes from ēvolvō, "to unroll," made from ex plus volvō, "to roll."